Home / 84,347.66-126,458.28-51,059.70

Finding the Fourth Proportional to 84,347.66, 126,458.28 and 51,059.70

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Solution

The fourth proportional to 84,347.66, 126,458.28 and 51,059.70 is: 76,551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,347.66 : 126,458.28 = 51,059.70 : x
  2. Step 2: Convert to fraction form
    84,347.66/126,458.28 = 51,059.70/x
  3. Step 3: Cross multiply
    84,347.66x = 126,458.28 × 51,059.70
  4. Step 4: Simplify right side
    84,347.66x = 6,456,921,839.32
  5. Step 5: Solve for x
    x = 6,456,921,839.32/84,347.66
  6. Step 6: Final answer
    x = 76,551.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.